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amid [387]
3 years ago
15

Which expression is equivalent to 3/5a. 3x5b. 3+5c. 3÷5d. 3-5​

Mathematics
2 answers:
inysia [295]3 years ago
8 0

Answer:

C

Step-by-step explanation:

The fraction sign can also be known as a division sign. So think of it as 3 divided by 5, which is C.

-Dominant- [34]3 years ago
3 0
Your correct answer should be C I hope this is right
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Curt filled 120 cups with juice for the party. He placed 15 cups on each tray. He accidentally spilled 3 trays of juice. How man
Romashka [77]
30 treys left I think
3 0
3 years ago
Using an ordered alphabet of 26 letters, how many ways are there to choose a set of six letters such that no two letters in the
mestny [16]
To find our solution, we can start off by creating a string of 27 boxes, all followed by the letters of the alphabet. Underneath the boxes, we can place 6 pairs of boxes and 15 empty boxes.The stars represent the six letters we pick. The empty boxes to the left of the stars provide the "padding" needed to ensure that no two adjacent letters are chosen. We can create this - 
\binom {21} {6}= \frac{21*20*19*18*17*16}{6*5*4*3*2*1} =21*19*17*8=54264
Thus, the answer is that there are \boxed{54264} ways to choose a set of six letters such that no two letters in the set are adjacent in the alphabet. Hope this helped and have a phenomenal New Year! <em>2018</em>
5 0
3 years ago
Please someone help i dont know this :(
zhuklara [117]

Answer:

none of the above

Step-by-step explanation:

Vertical angles are opposite angles made by intersecting lines

 a and b are not vertical angles  no

Complementary angles - two angles  that add to 90 degrees

b is 90 degrees by itself  no

Supplementary angles - two angles that add to 180 ( would make a straight line)

a and b do not form a straight line  they are not vertical angles - no

7 0
3 years ago
Read 2 more answers
48 less than j in algebraic expression
dmitriy555 [2]

Answer:

j-48

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Karen wants to advertise how many chocolate chips are in each big chip cookie at her bakery. she randomly selects a sample of 69
Tomtit [17]

Answer: (10.1989,\ 11.0011)

Step-by-step explanation:

Given : Sample size : n=69

Sample mean : \overline{x}=10.6

Standard deviation : s=1.7

Significance level : \alpha:1-0.95=0.05

Then , Critical value : z_{\alpha/2}=1.96

The formula to confidence interval is given by : -

\overline{x}\pm z_{\alpha/2}\dfrac{s}{\sqrt{n}}\\\\\Rightarrow\ 10.6\pm (1.96)\dfrac{1.7}{\sqrt{69}}\\\\\approx10.6\pm0.4011=(10.6-0.4011,10.6+0.4011)=(10.1989,\ 11.0011)

Hence, the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies= (10.1989,\ 11.0011)

8 0
4 years ago
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